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As Pure Maths Revision Notes
Found 2 free book(s)AS PURE MATHS REVISION NOTES
www.mathsbox.org.ukwww.mathsbox.org.uk AS PURE MATHS REVISION NOTES 1 SURDS • √A root such as 3 that cannot be written exactly as a fraction is IRRATIONAL
Further Pure 1 - Mathsbox
www.mathsbox.org.ukFurther Pure 1 Summary Notes 1. Roots of Quadratic Equations For a quadratic equation ax2 + bx + c = 0 with roots α and β Sum of the roots Product of roots ab = c a a + b = – b a